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A Common Factor is a number that divides two or more numbers exactly.

To find the common factors of two or more numbers, first write all the factors of those numbers and then pick the common ones among them.

228 = 1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228,

168 = 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168

Therefore the common factors of 228 and 168 are 1, 2, 3, 4, 6 and 12.

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15y ago

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